16238683755 has 24 divisors (see below), whose sum is σ = 32168059872. Its totient is φ = 7423398144.

The previous prime is 16238683751. The next prime is 16238683823. The reversal of 16238683755 is 55738683261.

16238683755 is a `hidden beast` number, since 1 + 623 + 8 + 6 + 8 + 3 + 7 + 5 + 5 = 666.

It is not a de Polignac number, because 16238683755 - 2² = 16238683751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16238683751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25775374 + ... + 25776003.

It is an arithmetic number, because the mean of its divisors is an integer number (1340335828).

Almost surely, 2^16238683755 is an apocalyptic number.

16238683755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16238683755 is a deficient number, since it is larger than the sum of its proper divisors (15929376117).

16238683755 is a wasteful number, since it uses less digits than its factorization.

16238683755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51551395 (or 51551392 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 16238683755 in words is "sixteen billion, two hundred thirty-eight million, six hundred eighty-three thousand, seven hundred fifty-five".